Spiegel writes about this fascinating topic:

http://www.spiegel.de/karriere/berufsleben/passives-einkommen-so-verdienen-sie-geld-ohne-zu-arbeiten-a-1057993.html

The lightest touch steering of all cars I’ve ever driven – I kid you not!

Inside, it’s quite boxy and cramped – you wouldn’t expect.

But with the Big FAT Diesel engine this thing just MOVES!

The Beauty and the Beast.

Ro started playing with numbers and loves to learn about math beyond elementary school. So he asked me what other nubers there are and I told him about negative numbers, irrational numbers (he struggles with fractions) and special numbers like Euler or pi.

When I asked him to count for me to twenty he went:

one, two, Euler, three, Pi, four, five, ….